Agent Name

Potassium ferricyanide

CAS Number

13746-66-2

Formula

C6-Fe-K3-N6

Major Category

Metals

Synonyms

Ferrate(3-), hexakis(cyano-C)-, tripotassium, (OC-6-11)-; Iron potassium cyanide; Potassium cyanoferrate; Potassium ferricyanate; Potassium ferricyanide; Red prussiate; Tripotassium ferric hexacyanide; Tripotassium ferriccyanide; Tripotassium hexacyanoferrate; Tripotassium hexacyanoferrate(3-); Tripotassium iron hexacyanide; [ChemIDplus]

Category

Metals, Inorganic Compounds

Description

Ruby red crystals; [Merck Index]

Sources/Uses

Used in photography, electroplating, steel tempering, and production of pigments; [ILO Encyclo: Cyano Compounds] Has been used mainly in blueprints; Also in photography, wood staining, wool dyeing, calico printing, steel tempering, electroplating; Used in Mercer's liquor for etching; [Merck Index]

Comments

Decomposes when heated, producing hydrogen cyanide; Produces cyanides when reacts with acids; Mild irritant to skin and eyes; [ICSC] Toxic by ingestion, but not as toxic as the simple cyanides; [Sax] The compound has low toxicity unless heated to decomposition; [Hawley]

Exposure Assessment
Explanatory Notes

Decomposes at 310 deg C; [MSDSonline]

Adverse Effects
Other Poison

Chemical Asphyxiant

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Biomedical References

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Related Information in HazMap
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Industrial Processes with risk of exposure:

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